reconstitute          
verb [ T ] uk/ˌriːˈkɒn.stɪ.tʃuːt/ us/ˌriːˈkɑːn.stə.tuːt/
 使(脱水食物)复原
to change food that has been dried back into its original form by adding water
  The powdered milk/egg can be reconstituted by adding water. 奶/鸡蛋粉可以加水复原成牛奶/鸡蛋。 
  重组;改组;改编
to change an organization so that it has a different form
  The Health Education Council has been reconstituted as the Health Education Authority. 健康教育委员会已经改组为健康教育局。